Question

What rational number should be added to -5/11 to get -7/8?

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Answer 1

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Answer 2

Step-by-step explanation:

Let the rational number be x

• sum is given as 2/3

So,

x + ( -7 /15 ) = 2/3

x + \frac{ - 7}{15} = \frac{2}{3}x+

15

−7

=

3

2

x = \frac{2}{3} + \frac{7}{15}x=

3

2

+

15

7

x = \frac{10 + 7}{15}x=

15

10+7

x = \frac{17}{15}x=

15

17